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Animals

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Homeostasis   Keeping internal body conditions stable.  
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Vertebrate   Animals with a backbone.  
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Invertebrate   Animals without a backbone.  
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Tissue   Groups of similar cells that do certain things.  
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Organ   Something made up of different tissue.  
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Radical Symmetry   When a line crosses the center point in creates two mirror images.  
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Bilateral Symmetry   Has one line of symmetry that divides into two halves.  
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Cnidarian   Invertebrates with stinging cells that have food in their central cavity when they take it.  
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Mollusk   Invertebrates that have soft, unsegmented bodies that are usually protected by a hard shell.  
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Arthropod   Invertebrates with pares of jointed appendages, segmented bodies, and a hard outer covering.  
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Exoskeleton   The outer covering of a Arthropod.  
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Echinoderm   An invertebrates with a series of fluid-filled tubes and an inner skeleton.  
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Endoskeleton   An internal skeleton.  
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Adaptation   Structures and behaviors that allow animals to to do certain things.  
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Created by: Jameskendrick
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